Digital textile printing inks having zero volatile organic compound solvents therein
US11413896B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Nov 18, 2020 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Jan 19, 2041 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06P5/30
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
An ink, having a viscosity of 2.5 to 15 centipoise at 25° C., for textile printing includes pigment; a water dispersible anionic polymeric resin; a water soluble zero volatile organic compound solvent with a boiling point of 250° C. or greater; a crosslinking agent; and water. The water dispersible polymeric resin has particles with a median volume weighted size of less than 150 nm and a 95th percentile volume weighted size of less than 250 nm. The water dispersible polymeric resin has an acid number value of 5 to 40, a resin film elongation of 500 to 1200%, and a film tensile strength of 10 to 60 mPa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.